176 THE UNIVERSITY SCIENCE BULLETIN. 



from testaceous base and blackish tip to nearly entirely black. Venter 

 black. Pedes testaceous. 



"Length, 6.7 to 8.1 mm.; lat., 2 to 2.3 mm." 



Localities: Kansas, New York, New Jersey, Illinois, Florida, Ver- 

 mont and Massachusetts. 



Buenoa platycnemis Fieber 1851. 



Rynchotographilla, 1851, p. 61 (described under genus A7iisops). 



"Dirty white. Eyes large. Connexivum narrow, whitish-yellow. Ven- 

 ter black, sides yellowish with three-cornered black median flecks. 

 Hemelytra with black margins (Randrippe.) Scutum black, with margin 

 and tip yellowish. Scutellum ochre-yellowish, brown at base. Menta- 

 notum black. Metanotum ochre-yellowish with brown median stripe. 

 From America, Porto Rico and St. Thomas. Length, 2V^ lines. Dirty 

 white. Posterior margin of pronotum above the scutellum scarcely over- 

 lapping. The color of the pronotum (Schildes) varies; it is either black, 

 with narrow or broad pale margin, or ochre-yellowish with the base 

 brown. Hind back varies in color, as above mentioned. Dorsal segments 

 blackish brown, next to last and the base of the last, dirty white. Front 

 tibia very broad at base, on one side broadened out into a lobe, in the 

 male a broader tooth toward the base. Front and middle femora on the 

 inside and above, sides of the metathorax, blackish. Appendage of femur 

 with a black spot." — Fieber. 



Localities: New York, New Jersey, District of Columbia, Illinois, 



Texas, California. 



Buenoa elegans Fieber 1851. 



Rhynchotographilen, 1851, pp. 61-62. 



"Milky white. Antennje black. Hemelytra without closing suture 

 (Schlussnath.) Membrane with four-cornered black transverse fleck. 

 Metanotum white. Abdomen black. From America. Length, 2% lines. 



"Head somewhat broader than pronotum, whose posterior margin is 

 gently projecting. Fore edge projecting angularly. Front elongated, 

 truncated and narrowed in front. Labrum longish. Third segment of 

 beak above and fourth entirely black. Margin blackish brown. Hemelytra 

 very finely haired. Breast yellowish. Abdomen black, three basal seg- 

 ments of connexivum with yellowish white posterior margin. Fore tarsi 

 somewhat shorter than the tibiae, appearing thickened on the inner side 

 at the base with a saffron yellow finely indented wart. Fore and middle 

 tibi« with a brown median stripe (apparently formed by the dried inner 

 margins of the groove touching.) Margin of parapleura fringed with 

 blackish brown. Foremargin of hind femur brownish transparent. Ap- 

 pendages of femur with a brovraish spot. Middle tibia, above on the 

 basal half brownish. Abdomen yellowish. Dorsal segments black, three 

 of these with white median spots at base. Clavus without a trace of a 

 suture fused with the corium. Anus dirty whitish, margin narrowly 

 whitish yellow. Membrane with large, almost elongate, four-cornered 

 blackish-brown opal colored iridescent transverse spot, extending from 

 the outer basal angle to the inner margin." 



"Observation: Described by Blanchard and Brulle as Notonecta nivea 

 in the Hist. Not. Tom., 3, p. 88, as follows: 



"Body of a somewhat moonlight color, short and somewhat convex, 

 head and corselet of a dirty white without spots. Wings white, very 

 transparent, entirely deprived of spots, legs and abdomen of a grayish 

 yellow. Length, 3 to 4 lines." 



"It appears that Brulle had two species before him, which do not agree 

 with the above description, but may belong to A. productus." 



Localities: Maine, New York and New Jersey. 



